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Use different chain primitives in Millau (#517)

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This commit is contained in:
Svyatoslav Nikolsky
2020-11-18 23:18:42 +03:00
committed by Bastian Köcher
parent 20fc30404a
commit 6dc267393a
15 changed files with 182 additions and 40 deletions
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bridges/primitives/millau/src/lib.rs
+45 -7
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@@ -20,18 +20,56 @@
// Runtime-generated DecodeLimit::decode_all_With_depth_limit
#![allow(clippy::unnecessary_mut_passed)]
mod millau_hash;
use bp_message_lane::MessageNonce;
use bp_runtime::Chain;
use frame_support::{weights::Weight, RuntimeDebug};
use sp_core::Hasher as HasherT;
use sp_runtime::{
traits::{BlakeTwo256, IdentifyAccount, Verify},
traits::{IdentifyAccount, Verify},
MultiSignature, MultiSigner,
};
use sp_std::prelude::*;
use sp_trie::{trie_types::Layout, TrieConfiguration};
#[cfg(feature = "std")]
use serde::{Deserialize, Serialize};
pub use millau_hash::MillauHash;
/// Millau Hasher (Blake2-256 ++ Keccak-256) implementation.
#[derive(PartialEq, Eq, Clone, Copy, RuntimeDebug)]
#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
pub struct BlakeTwoAndKeccak256;
impl sp_core::Hasher for BlakeTwoAndKeccak256 {
type Out = MillauHash;
type StdHasher = hash256_std_hasher::Hash256StdHasher;
const LENGTH: usize = 64;
fn hash(s: &[u8]) -> Self::Out {
let mut combined_hash = MillauHash::default();
combined_hash.as_mut()[..32].copy_from_slice(&sp_io::hashing::blake2_256(s));
combined_hash.as_mut()[32..].copy_from_slice(&sp_io::hashing::keccak_256(s));
combined_hash
}
}
impl sp_runtime::traits::Hash for BlakeTwoAndKeccak256 {
type Output = MillauHash;
fn trie_root(input: Vec<(Vec<u8>, Vec<u8>)>) -> Self::Output {
Layout::<BlakeTwoAndKeccak256>::trie_root(input)
}
fn ordered_trie_root(input: Vec<Vec<u8>>) -> Self::Output {
Layout::<BlakeTwoAndKeccak256>::ordered_trie_root(input)
}
}
/// Maximal weight of single Millau block.
pub const MAXIMUM_BLOCK_WEIGHT: Weight = 2_000_000_000_000;
pub const MAXIMUM_BLOCK_WEIGHT: Weight = 10_000_000_000;
/// Portion of block reserved for regular transactions.
pub const AVAILABLE_BLOCK_RATIO: u32 = 75;
/// Maximal weight of single Millau extrinsic (65% of maximum block weight = 75% for regular
@@ -39,16 +77,16 @@ pub const AVAILABLE_BLOCK_RATIO: u32 = 75;
pub const MAXIMUM_EXTRINSIC_WEIGHT: Weight = MAXIMUM_BLOCK_WEIGHT / 100 * (AVAILABLE_BLOCK_RATIO as Weight - 10);
/// Maximal number of unconfirmed messages at inbound lane.
pub const MAX_UNCONFIRMED_MESSAGES_AT_INBOUND_LANE: MessageNonce = 128;
pub const MAX_UNCONFIRMED_MESSAGES_AT_INBOUND_LANE: MessageNonce = 1024;
/// Block number type used in Millau.
pub type BlockNumber = u32;
pub type BlockNumber = u64;
/// Hash type used in Millau.
pub type Hash = <BlakeTwo256 as HasherT>::Out;
pub type Hash = <BlakeTwoAndKeccak256 as HasherT>::Out;
/// The type of an object that can produce hashes on Millau.
pub type Hasher = BlakeTwo256;
pub type Hasher = BlakeTwoAndKeccak256;
/// The header type used by Millau.
pub type Header = sp_runtime::generic::Header<BlockNumber, Hasher>;
@@ -84,7 +122,7 @@ pub type AccountId = <<Signature as Verify>::Signer as IdentifyAccount>::Account
pub type AccountSigner = MultiSigner;
/// Balance of an account.
pub type Balance = u128;
pub type Balance = u64;
sp_api::decl_runtime_apis! {
/// API for querying information about Millau headers from the Bridge Pallet instance.